PACS1284
PACKAGE / PINOUT DIAGRAM
CAP-FILTERED; R1 PULL-UP
CAP-FILTERED; R1 PULL-UP
SUPERCHIP SIDE SERIES-TERMINATED
SUPERCHIP SIDE SERIES-TERMINATED
SUPERCHIP SIDE SERIES-TERMINATED
SUPERCHIP SIDE SERIES-TERMINATED
SUPERCHIP SIDE SERIES-TERMINATED
CAP-FILTERED; R3 PULL-UP
SUPERCHIP SIDE SERIES-TERMINATED
CAP-FILTERED; R3 PULL-UP
SUPERCHIP SIDE SERIES-TERMINATED
CAP-FILTERED; R3 PULL-UP
SUPERCHIP SIDE SERIES-TERMINATED
SUPERCHIP SIDE SERIES-TERMINATED
1
2
3
4
5
6
7
8
9
10
11
12
13
14
28
27
26
25
24
23
22
21
20
19
18
17
16
15
CAP-FILTERED; R3 PULL-UP
CAP-FILTERED; R1 PULL-UP
CONNECTOR SIDE SERIES-TERMINATED
CONNECTOR SIDE SERIES-TERMINATED
CONNECTOR SIDE SERIES-TERMINATED
CONNECTOR SIDE SERIES-TERMINATED
GND
CONNECTOR SIDE SERIES-TERMINATED
V
CC
CONNECTOR SIDE SERIES-TERMINATED
CONNECTOR SIDE SERIES-TERMINATED
CONNECTOR SIDE SERIES-TERMINATED
CONNECTOR SIDE SERIES-TERMINATED
CAP-FILTERED; R3 PULL-UP
Note: This drawing is not to scale.
28-pin QSOP
PIN DESCRIPTIONS
PINS
1, 2, 27
8, 10, 12,
15, 28
3-7,
9,11,
13,14
16-19,
21,
23-26
20
22
PIN NAME
Cap-filtered;
R1 Pull-up
Cap-filtered;
R3 Pull-up
SuperChip Side
Series-terminated
Connector Side
Series-terminated
V
CC
GND
DESCRIPTION
IEEE 1284 signals which require no series termination; pull-up is R1 value.
IEEE 1284 signals which require no series termination; pull-up is R3 value.
IEEE 1284 signals on the Super I/O Chip side which require series termination.
IEEE 1284 signals on the Parallel Port Connector side which require series termination.
Supply rail for the device
Ground reference for the device
Ordering Information
STANDARD VALUES
Product
PACS1284-02
PACS1284-04
R1 (Ω)
2.2k
4.7k
R2 (Ω)
33
33
R3 (Ω)
2.2k
4.7k
C (pF)
220
180
PART NUMBERING INFORMATION
Standard FInish
Ordering Part
Pins
28
28
Package
QSOP
QSOP
Number
1
PACS1284-02Q
PACS1284-04Q
Part Marking
PACS128402Q
PACS128404Q
Lead-free Finish
Ordering Part
Number
1
PACS1284-02QR
PACS1284-04QR
Part Marking
PACS128402QR
PACS128404QR
Note 1: Parts are shipped in Tape & Reel form unless otherwise specified.
© 2004 California Micro Devices Corp. All rights reserved.
2
430 N. McCarthy Blvd., Milpitas, CA 95035-5112
▲
Tel: 408.263.3214
▲
Fax: 408.263.7846
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www.calmicro.com
06/07/04
CALMIRCO [ CALIFORNIA MICRO DEVICES CORP ]
